Parameters

format

A string containing zero or more format specifications.

arg0

The first object to be formatted. Can be a null reference.

arg1

The second object to be formatted. Can be a null reference.

Returns

The current instance after the operation has occurred.

Exceptions

Type	Reason
ArgumentNullException	format is a null reference.
FormatException	format is invalid.

Remarks

This method appends the formatted copy of the specified string to the current instance. If an object referenced in the format string is null , an empty string is used in its place.

Note: This version of StringBuilder.AppendFormat(string, object) is equivalent to StringBuilder.AppendFormat(string, object)( null , format, new Object[] {arg0, arg1} ). For more information on the format specification, see the string class overview.

Example

C# Example

using System;
using System.Text;

public class StringBuilderTest {
  public static void Main() {

     StringBuilder sb = new StringBuilder("The high ");
     Console.WriteLine( sb.AppendFormat("temperature today was {0} {1}.", "very", "high") ); 
  }
}
   

The output is

The high temperature today was very high.

Requirements

Namespace: System.Text
Assembly: mscorlib (in mscorlib.dll)
Assembly Versions: 1.0.5000.0, 2.0.0.0